Table 1.

Schematic representation of temporal and regional expression of CaMKIIα and CaMKIIβ.

		CaMKIIα	CaMKIIβ
Temporal expression (total brain)	Embryonic life	− 2	+ 3
	Post-natal	+	++
	Adult	+++	++
Regional expression (adult brain)	Hippocampus	+++	+
	Cerebral cortex	+++	+
	Cerebellum	+	++++
Cellular expression	Excitatory pyramidal neurons 1	+	+
	Inhibitory interneurons 1	−	+
	Purkinje cells	+	+
	Cerebellar granule neurons	−	+

¹ In cerebral cortex and hippocampus; ² − indicates not expressed; ³ + indicates expressed.